San Dimas · Zoning · SF-DR
San Dimas SF-DR zoning: height, setbacks and lot size
In San Dimas's SF-DR zone, generally buildings can be up to 30 ft (2 stories) tall, the front setback is 20 ft and the minimum lot size is 7,000 sq ft, with the conditions listed below (San Dimas code, read October 2026).
Key points
- Maximum building height: 30 ft (or two stories, whichever is less)
- Maximum number of stories: 2 stories
- Minimum front setback: 20 ft
- Minimum side setback: 5 ft on one side and 10 ft on the other side
- Minimum rear setback: 10 ft (Regular lots: main habitable structures.)
- Minimum lot size: 7,000 sq ft
- Maximum lot coverage: 35%
SF-DR (SF-DR SINGLE-FAMILY DOWNTOWN RESIDENTIAL ZONE) is a zoning district in San Dimas. Every value below was read from the San Dimas Municipal Code and links to its section (read October 2026). State laws such as the ADU and SB 9 rules can allow more on a residential lot. General information, not legal advice — read the code text and check with the city before you build.
Development standards in SF-DR
The general rule for a typical lot in this zone. Zoning tables often attach notes, such as rules for corner lots, lots next to a residential zone, or new subdivisions only. Open “code text” under a value to see the table cell or sentence it was read from.
| Maximum building height | 30 ft Applies: or two stories, whichever is less § 18.35.040 · code textNo building or structure erected in this zone shall have a height greater than thirty feet or two stories, whichever is less, except as provided in Section 18.35.070 of this chapter. |
|---|---|
| Maximum number of stories | 2 stories § 18.35.040 · code textNo building or structure erected in this zone shall have a height greater than thirty feet or two stories, whichever is less, except as provided in Section 18.35.070 of this chapter. |
| Minimum front setback | 20 ft § 18.35.040 · code textThere shall be a front yard setback of twenty feet. |
| Minimum side setback | 5 ft on one side and 10 ft on the other side § 18.35.040 · code textEach lot or parcel of land shall have a minimum setback of five feet on one side and ten feet on the other side. |
| Minimum rear setback | 10 ft Applies: Regular lots: main habitable structures. § 18.35.040 · code textEach lot or parcel of land shall have a minimum rear yard setback of ten feet for main habitable structures and five feet for accessory structures. |
| Minimum lot size | 7,000 sq ft § 18.35.040 · code textMinimum seven thousand square feet required. |
| Maximum lot coverage | 35% § 18.35.040 · code textThe maximum lot coverage of all structures shall not exceed thirty-five percent of the total area of the lot or parcel. |
When a different number applies
The code sets other values for particular lots, buildings or locations in SF-DR:
- Maximum building height: 45 ft — Steeples, spires, or similar projections above buildings used primarily for religious purposes; requires harmonious design and development plan approval. § 18.35.040
- Minimum side setback: 5 ft — Corner lots: interior side yard. § 18.35.040
- Minimum side setback: 10 ft — Corner lots: side yard abutting the street. § 18.35.040
- Minimum side setback: 5 ft — Detached garages and accessory buildings. § 18.35.040
- Minimum side setback: 5 ft — Additions to an existing nonconforming dwelling unit or structure meeting current building and zoning requirements may be placed at existing building setbacks, with not less than five-foot side yards. § 18.35.040
- Minimum rear setback: 5 ft — Regular lots: accessory structures. § 18.35.040
- Minimum rear setback: 3 ft or 20 ft — Alley-loaded lots: garages accessed from the alley. § 18.35.040
- Minimum rear setback: 5 ft — Alley-loaded lots: garages not accessed from the alley and all other structures. § 18.35.040
- Minimum rear setback: 2 ft — Sheds that do not require a building permit; roof edge must also be at least 12 inches from the property line. § 18.35.040
- Minimum lot size: 5,000 sq ft — Lots less than 7,000 sq ft but greater than or equal to 5,000 sq ft may be developed under the standards applicable to 7,000-square-foot lots. § 18.35.040
- Maximum lot coverage: 40% — Lots with a required area of less than 7,000 sq ft, provided all structures do not exceed one story. § 18.35.040
Not on this page
We did not find a general FAR, density limit for SF-DR in the zoning tables we read. The code may still set one elsewhere — check the San Dimas Municipal Code.
Other San Dimas zoning districts
Who this affects
Frequently asked questions
What is the maximum building height in San Dimas's SF-DR zone?
30 ft (or two stories, whichever is less) — San Dimas Municipal Code § 18.35.040.
What is the maximum number of stories in San Dimas's SF-DR zone?
2 stories — San Dimas Municipal Code § 18.35.040.
What is the minimum front setback in San Dimas's SF-DR zone?
20 ft — San Dimas Municipal Code § 18.35.040.
What is the minimum side setback in San Dimas's SF-DR zone?
5 ft on one side and 10 ft on the other side — San Dimas Municipal Code § 18.35.040.
What is the minimum rear setback in San Dimas's SF-DR zone?
10 ft (regular lots: main habitable structures) — San Dimas Municipal Code § 18.35.040.
General information, not legal advice.
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